Who owns Hitachi Cyber?

Hitachi Cyber is owned by Hitachi Systems, which acquired it in August 2015.

Where is Hitachi Cyber headquartered?

Hitachi Cyber is headquartered in Santa Clara, United States.

Who is the CEO of Hitachi Cyber?

Sam Rehman is the CEO of Hitachi Cyber.

What products does Hitachi Cyber sell?

Hitachi Cyber sells Hitachi Cyber Cyber Threat Intelligence Services and Hitachi Cyber StandardFusion.

Hitachi Cyber

Offensive SecuritySanta Clara, United Statesfounded 1999acquired by Hitachi Systemshitachicyber.com ↗

Hitachi Cyber is a cybersecurity company specializing in Offensive Security, founded in 1999 and headquartered in Santa Clara, United States. It has raised $3.58M in equity across 2 priced rounds, employs about 179 people, and was acquired by Hitachi Systems in 2015.

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updated Oct 30, 2026

Latest Hitachi Cyber news and company activity

What Hitachi Cyber did, dated — selected moves from the record, one per kind, newest first.

Oct 2026PartnershipConcordia and Hitachi Cyber Develop AI-Powered Solution to Revolutionize Cybersecurity Threat Investigations
Sep 2026PartnershipWolters Kluwer and Hitachi Cyber Partner to Advance Integrated GRC Solutions
Jul 2026Product launchHitachi Cyber Launches Frontier AI Defense Services
Jul 2026Exec change

Hitachi Cyber Momentum score

30/ 100

Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.

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Hitachi Cyber products

Hitachi Cyber funding

Hitachi Cyber has raised $3.58M in priced equity. Its most recent round was a Venture Round in August 2014. It has 2 funding rounds on record: Series A and Venture Round.

Equity raised: $3.58M2 priced rounds
Last round: Venture RoundAug 2014

View the complete funding history

Hitachi Cyber employees and hiring

As of September 2026, Hitachi Cyber has about 179 employees, up 1% over the last 30 days, with 5 open roles.

Employees: 179
30-day change: +1%
Open roles: 5

See hiring trends

Hitachi Cyber competitors

Competitors of Hitachi Cyber include Netacea, WhoisXML API, and Tekushi. 104 more are in the platform, with overlap scoring.

matched by product category and features

View all 107 competitors with overlap scores

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The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobs5 live postings, role mix
Tech stackframeworks, clouds, security
Competitorsfull set, overlap scored
Leadershipevery exec, with roles
Customersnamed publicly, with sources
Reviews & newssentiment, coverage, cadence

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Funding, round by round, with the investors
Headcount, hiring and the people
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The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobs5 live postings, role mix
Tech stackframeworks, clouds, security

Similar in Offensive Security

Common questions about Hitachi Cyber.

How much funding has Hitachi Cyber raised?: Hitachi Cyber has raised $3.58M in priced equity. Its most recent round was a Venture Round in August 2014. It has 2 funding rounds on record: Series A and Venture Round.
How many people work at Hitachi Cyber?: As of September 2026, Hitachi Cyber has about 179 employees, up 1% over the last 30 days, with 5 open roles.
Who owns Hitachi Cyber?: Hitachi Cyber is owned by Hitachi Systems, which acquired it in August 2015.
Where is Hitachi Cyber headquartered?: Hitachi Cyber is headquartered in Santa Clara, United States.
Who is the CEO of Hitachi Cyber?: Sam Rehman is the CEO of Hitachi Cyber.
Who are Hitachi Cyber's competitors?: Competitors of Hitachi Cyber include Netacea, WhoisXML API, and Tekushi. 104 more are in the platform, with overlap scoring.
What does Hitachi Cyber do?: Hitachi Cyber is a cybersecurity company specializing in Offensive Security, founded in 1999 and headquartered in Santa Clara, United States.
What products does Hitachi Cyber sell?: Hitachi Cyber sells Hitachi Cyber Cyber Threat Intelligence Services and Hitachi Cyber StandardFusion.